29-08-2023 дата публикации
Номер: CN116660467A
Принадлежит:
The invention discloses a flue gas dilution pretreatment mercury concentration monitoring device, which comprises a sampling gun, a filtering cavity, a filter, a dilution unit, a conversion unit and a mercury analyzer, a sample gas inlet of the dilution unit is communicated with a filtered gas outlet of the filter, a diluted sample gas outlet of the dilution unit is communicated with a diluted sample gas inlet of the conversion unit, the conversion unit comprises an elemental mercury pipeline and a divalent mercury pipeline which are connected in parallel, and gas outlet ends of the elemental mercury pipeline and the divalent mercury pipeline are both communicated with a detection inlet of the mercury analyzer; a divalent mercury remover is arranged on the elemental mercury pipeline, a converter is arranged on the divalent mercury pipeline, the converter is used for converting divalent mercury into elemental mercury, and the length of a flue gas circulation path between the sampling gun ...
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